1898 - 1977 (78 years)
| Gerhardus van Dyk | |
| B: | 23 Dec 1958 |
| Vredenburg, Kaap, Suid-Afrika | |
| D: | 17 May 2001 |
| Kaapstad, Kaap, Suid-Afrika | |
| Jasper Johannes Gerhardus van Dyk | |
| B: | 22 May 1931 |
| Velddrif, Kaap, Suid-Afrika | |
| D: | 15 Jun 1999 |
| Velddrif, Kaap, Suid-Afrika | |
| Sarah Johanna Maria Heyns | |
| B: | 26 Jun 1931 |
| M: | 11 Sep 1954 |
| Velddrif, Kaap, Suid-Afrika | |
| D: | Yes, date unknown |
|
| Gerhardus Johannes Jacobus van Dyk, (een van tweeling) | |
| B: | 13 Dec 1898 |
| D: | 8 Sep 1977 |
| Beatrix Hendrina Binneman | |
| B: | 3 Jul 1905 |
| D: | 5 Aug 1992 |
| Vredenburg, Kaap, Suid-Afrika | |
